公开(公告)号：US20220371367A1

公开(公告)日：2022-11-24

申请号：US17757071

申请日：2020-12-16

Applicant: Pirelli Tyre S.p.A.

Inventor： Simone AGRESTI ,  Guido Luigi DAGHINI ,  Stefano BIZZI

IPC: B60C9/00 ,  D02G3/48 ,  D07B1/06

Abstract: The invention relates to a metallic reinforcing cord (10) for tyres for vehicle wheels, comprising: —a) a plurality of metallic wires (11) twisted to one another with a single twisting pitch (P), or—b) a single metallic wire twisted with at least one second metallic wire with a single twisting pitch, or—c) a plurality of first metallic wires twisted to one another with a first twisting pitch to define a first strand of metallic wires and at least one second metallic wire twisted with said first strand of metallic wires with a second twisting pitch equal to or different from the first twisting pitch. The metallic reinforcing cord (10) has a part load elongation greater than or equal to 1%.